[RFC PATCH 04/15] sd: emmc: Update CMD1 definition for eMMC

[Sai Pavan Boddu]

Add support to Power up the card and send response r3 in case of eMMC.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 hw/sd/sd.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 57fff89..e3738b2 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1033,8 +1033,16 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
SDRequest req)
         break;
 
     case 1:    /* CMD1:   SEND_OP_CMD */
-        if (!sd->spi)
+        /* MMC: Powerup & send r3
+         * SD: send r1 in spi mode
+         */
+        if (sd->emmc) {
+            sd_ocr_powerup(sd);
+            return sd->state == sd_idle_state ?
+                   sd_r3 : sd_r0;
+        } else if (!sd->spi) {
             goto bad_cmd;
+        }
 
         sd->state = sd_transfer_state;
         return sd_r1;
-- 
2.7.4